JP3794960B2 - 流体モータの駆動回路 - Google Patents

流体モータの駆動回路 Download PDF

Info

Publication number
JP3794960B2
JP3794960B2 JP2002005319A JP2002005319A JP3794960B2 JP 3794960 B2 JP3794960 B2 JP 3794960B2 JP 2002005319 A JP2002005319 A JP 2002005319A JP 2002005319 A JP2002005319 A JP 2002005319A JP 3794960 B2 JP3794960 B2 JP 3794960B2
Authority
JP
Japan
Prior art keywords
passage
fluid
switching valve
pressure
pilot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP2002005319A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002339905A (ja
Inventor
正孝 橋本
修 野原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nabtesco Corp
Original Assignee
Nabtesco Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nabtesco Corp filed Critical Nabtesco Corp
Priority to JP2002005319A priority Critical patent/JP3794960B2/ja
Priority to US10/099,051 priority patent/US6698196B2/en
Priority to EP02005859A priority patent/EP1241356B1/de
Priority to DE60225368T priority patent/DE60225368T2/de
Publication of JP2002339905A publication Critical patent/JP2002339905A/ja
Application granted granted Critical
Publication of JP3794960B2 publication Critical patent/JP3794960B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/002—Hydraulic systems to change the pump delivery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/26—Control
    • F04B1/30—Control of machines or pumps with rotary cylinder blocks
    • F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
    • F04B1/324—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Hydraulic Motors (AREA)
JP2002005319A 2001-03-15 2002-01-11 流体モータの駆動回路 Expired - Lifetime JP3794960B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2002005319A JP3794960B2 (ja) 2001-03-15 2002-01-11 流体モータの駆動回路
US10/099,051 US6698196B2 (en) 2001-03-15 2002-03-14 Drive circuit for fluid motor
EP02005859A EP1241356B1 (de) 2001-03-15 2002-03-14 Hydraulischer kreislauf fur einen fluidmotor
DE60225368T DE60225368T2 (de) 2001-03-15 2002-03-14 Hydraulischer kreislauf fur einen fluidmotor

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001-73446 2001-03-15
JP2001073446 2001-03-15
JP2002005319A JP3794960B2 (ja) 2001-03-15 2002-01-11 流体モータの駆動回路

Publications (2)

Publication Number Publication Date
JP2002339905A JP2002339905A (ja) 2002-11-27
JP3794960B2 true JP3794960B2 (ja) 2006-07-12

Family

ID=26611299

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002005319A Expired - Lifetime JP3794960B2 (ja) 2001-03-15 2002-01-11 流体モータの駆動回路

Country Status (4)

Country Link
US (1) US6698196B2 (de)
EP (1) EP1241356B1 (de)
JP (1) JP3794960B2 (de)
DE (1) DE60225368T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101124391A (zh) * 2004-03-17 2008-02-13 克林空气系统国际公共有限公司 用于催化转化器的分流器
US7040638B2 (en) * 2004-06-21 2006-05-09 Jeffrey Eaton Cole Occupant-propelled fluid powered rotary device, truck, wheeled platform, or vehicle
US7232139B2 (en) * 2004-06-21 2007-06-19 Cole Jeffrey E Truck assembly for a skateboard, wheeled platform, or vehicle
US7216876B2 (en) * 2004-06-21 2007-05-15 Cole Jeffrey E Occupant-propelled fluid powered rotary device, truck, wheeled platform, or vehicle
US7635136B2 (en) * 2005-06-21 2009-12-22 Jeffrey E. Cole Truck assembly for a skateboard, wheeled platform, or vehicle
US7722131B2 (en) * 2006-02-02 2010-05-25 White Drive Products, Inc. Control component for a spring applied-pressure released hydraulic brake and hydraulic motor
US7909414B2 (en) * 2006-03-10 2011-03-22 White Drive Products, Inc. Hydraulic circuit for spring applied-hydraulically released brake and hydraulic motor
US8240779B2 (en) * 2006-02-02 2012-08-14 White Drive Products, Inc. Control component for hydraulic circuit including spring applied-hydraulically released brake
US7914084B2 (en) * 2006-02-02 2011-03-29 White Drive Products, Inc. Control component for hydraulic circuit including spring applied-hydraulically released brake
JP2007303543A (ja) * 2006-05-11 2007-11-22 Nabtesco Corp 可変油圧モータ駆動装置
DE102007044451A1 (de) * 2007-09-18 2009-03-19 Robert Bosch Gmbh Anschlussplatte für eine hydrostatische Kolbenmaschine
KR20130018253A (ko) * 2010-03-30 2013-02-20 로베르트 보쉬 게엠베하 유압 팬 구동 장치
IT201700012623A1 (it) * 2017-02-06 2018-08-06 Parker Hannifin Mfg S R L Metodo e apparecchiatura per il controllo della variazione di posizione di un eccentrico di motori idraulici a cilindrata variabile
CN107795538B (zh) * 2017-12-01 2023-09-08 江苏徐工工程机械研究院有限公司 行走马达换挡阀、行走马达和工程机械
US11592000B2 (en) * 2018-07-31 2023-02-28 Danfoss Power Solutions, Inc. Servoless motor

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57107666U (de) * 1980-12-24 1982-07-02
JPS5893624A (ja) * 1981-11-30 1983-06-03 Komatsu Ltd 油圧駆動車の制御装置
JPS63203434A (ja) * 1987-02-19 1988-08-23 Yutani Heavy Ind Ltd 走行モ−タの変速装置
JPH02134302U (de) * 1989-04-14 1990-11-07
JP3449797B2 (ja) * 1994-08-22 2003-09-22 帝人製機株式会社 流体装置
JP3562657B2 (ja) * 1994-09-14 2004-09-08 株式会社小松製作所 可変容量油圧ポンプの容量制御装置
JPH10220405A (ja) * 1997-02-07 1998-08-21 Teijin Seiki Co Ltd リリーフ機構およびリリーフ機構付き流体回路
JP3911331B2 (ja) * 1997-12-17 2007-05-09 ヤンマー株式会社 斜板角度制御機構
JPH11264379A (ja) * 1998-03-19 1999-09-28 Yanmar Diesel Engine Co Ltd Ｈｓｔにおける斜板式油圧ポンプの油圧サーボ
JP2001073446A (ja) 1999-09-07 2001-03-21 Hokuetsu:Kk 人の歩行に配慮したコンクリート側溝構築物および該コンクリート側溝構築物を構成する側溝蓋の簡易脱着装置
JP3603007B2 (ja) * 2000-05-10 2004-12-15 株式会社カワサキプレシジョンマシナリ 可変容量型油圧モータの容量制御装置
JP2002005319A (ja) 2000-06-16 2002-01-09 Bosch Automotive Systems Corp 圧力リリーフ弁

Also Published As

Publication number Publication date
DE60225368T2 (de) 2009-03-26
US20020157390A1 (en) 2002-10-31
DE60225368D1 (de) 2008-04-17
US6698196B2 (en) 2004-03-02
EP1241356A3 (de) 2005-03-16
JP2002339905A (ja) 2002-11-27
EP1241356B1 (de) 2008-03-05
EP1241356A2 (de) 2002-09-18

Similar Documents

Publication Publication Date Title
JP3794960B2 (ja) 流体モータの駆動回路
EP1106833B1 (de) Mengenregelventil einer kolbenmaschine mit variablem hub
US5197283A (en) Hydraulic-motor drive circuit system with anti-cavitation control
JP5389461B2 (ja) 液圧モータ
JP6075866B2 (ja) ポンプ制御装置
US7921642B2 (en) Inertial body drive system
US20220034067A1 (en) Hydraulic Driving Apparatus
JP4444620B2 (ja) 油圧モータの自動変速機構
EP0793022A1 (de) Hydraulische bremsvorrichtung
EP1961973B1 (de) Betätigungsglied-steuerungseinrichtung
EP0857878A1 (de) Druckbegrenzungsmechanismus und hydraulischer Schaltkreis mit Druckbegrenzungsmechanismus
EP0564654A1 (de) Bremsventil
JPS63214562A (ja) 油圧駆動回路
JP3622822B2 (ja) カウンタバランス弁
JP2511317B2 (ja) 油圧モ―タ駆動回路
JPH08219004A (ja) 液圧回転機の容量制御装置
JP4553680B2 (ja) 走行駆動用流体回路
JP4209402B2 (ja) 油圧ポンプ制御装置
JP4160862B2 (ja) ２速油圧モータの自動変速切換弁
JPH0628345Y2 (ja) クローラ駆動装置
JPH0872570A (ja) 走行用油圧モータ制御装置
JP2005207499A (ja) 建設機械の油圧回路
JP3586137B2 (ja) 可変容量型油圧モータの容量制御装置
JP2019173763A (ja) 産業車両の油圧駆動装置
JPH06147201A (ja) 油圧モータの駆動回路

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040521

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A712

Effective date: 20041015

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20060403

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20060411

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20060411

R150 Certificate of patent or registration of utility model

Ref document number: 3794960

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100421

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100421

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110421

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120421

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120421

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130421

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130421

Year of fee payment: 7

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130421

Year of fee payment: 7

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130421

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140421

Year of fee payment: 8

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250